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That means they never did napkin math to know what an investment might be worth in x years.
by maximus-decimus 4y ago
That means they never did napkin math to know what an investment might be worth in x years.
- gumby 4y agoAnd never used trig???
- hnfong 4y agoWhat on the napkin would be incomprehensible to an intelligent 8th grade student? Surely they would have learned concepts of compound interest by then?
- maximus-decimus 4y agoI don't know for you, but exponentials and compound interest was advanced 11th grade math at my school.